Abstract: A friction stir welding apparatus includes a welding tool that includes a shoulder and a probe supported by the shoulder, is inserted into a plurality of welding target members, and moves while rotating to weld the plurality of welding target members, a spindle motor that is coupled to the welding tool to rotate the welding tool in a predetermined direction, a welding head that supports the spindle motor, and an apparatus body that supports the welding head, applies a drive signal to the spindle motor, and moves the welding tool along a welding line while rotating the welding tool.

Abstract: Provided is an ultrasonic inspection device and method capable of generating a clear image of a desired bonding interface without an S-Gate. The controller in the ultrasonic inspection device is configured to: (A) define a first gate indicating a time range in which a part of a reflected wave is extracted based on a predetermined condition received; (B) define one or more second gates each indicating a time width smaller than that of the first gate before an end time of the first gate; (C) for each of a plurality of measurement points of an inspection object, (C1) detect a lower layer echo or a local peak, (C2) adjust a reception time of the reflected wave based on the lower layer echo or the local peak; and (D) generate a cross-sectional image of the inspection object based on the reflected wave.

Abstract: Provided are a friction stir welding apparatus and a friction stir welding method that achieve highly accurate and highly reliable joining while minimizing an effect of bending of a pressing force receiving portion (carrying table) as a result of a press by a joining tool unit. The friction stir welding apparatus joins joining target members by friction stir welding. The friction stir welding apparatus is characterized by including: an apparatus main body; a control device that controls an operation of the friction stir welding apparatus; a C-shaped frame connected to the apparatus main body via a first vertical movement drive mechanism unit; a holder unit connected to one end of the C-shaped frame via a second vertical movement drive mechanism unit; and a joining tool held by the holder unit.

Abstract: Provided are a friction stir welding apparatus and a friction stir welding method capable of highly accurate position control in a Z-axis direction (vertical direction) of a joining tool when a joint target member is subjected to friction stir welding by the friction stir welding apparatus.

Abstract: A friction stir welding apparatus and method maintains a depth of a welded part constant without varying a depth-direction position of a welding tool leading end part relative to welded members. A control device controls an operation of the friction stir welding apparatus, and a holder unit is connected to a swing mechanism unit via a revolving mechanism section, and a welding tool is held to the holder unit. The control device has a first welding mode in which friction stir welding is performed on the basis of a welding condition signal for deciding a welding condition of the welding tool, a swing control signal for controlling the swing mechanism unit, a first hold position decision signal, and a second welding mode in which friction stir welding is performed on the basis of the welding condition signal, the swing control signal, and a second hold position decision signal.

Abstract: A single crystal silicon carbide substrate includes a substrate of a single crystal silicon carbide; a first wiring film and a second wiring film disposed on one side of the substrate and having therebetween an interstice which is formed continuously without being broken from a first end of the one side to a second end of the one side; and an insulating portion disposed in the interstice between the first wiring film and the second wiring film and including a surface texture of the one side exposed by removing using dry etching a surface contaminated layer which is contaminated by at least one of iron, aluminum, chromium, or nickel adhered thereto.

Abstract: A phenomenon pattern extraction unit extracts a phenomenon pattern of a past sensor signal of a facility. A related information correlation unit correlates the sensor signal based on maintenance history information. A phenomenon pattern classification reference creation unit creates a classification reference for classifying a phenomenon pattern based on the extracted phenomenon pattern and a work keyword included in the maintenance history information correlated with the sensor signal as the source of the phenomenon pattern. A phenomenon pattern classification unit classifies the phenomenon pattern based on the classification reference. A diagnosis model creation unit creates a diagnosis model for estimating a work keyword suggested to a maintenance worker based on the classified phenomenon pattern and the work keyword.

Abstract: An object is to simultaneously visualize a plurality of junction surfaces of a workpiece. An ultrasound imaging device serving as solution means includes a signal processing unit that causes a probe to irradiate a workpiece with an ultrasound wave having a predetermined frequency, and that performs gate processing on a reflected wave of the ultrasound wave detected by the probe so as to output a displacement of the reflected wave on two junction surfaces of the workpiece, an image generation unit that generates respective images of the two junction surfaces, based on the displacement of the respective reflected waves on the two junction surfaces, and a height adjustment unit that adjusts a height of a focus of the probe. The height adjustment unit adjusts the height of the probe so as to set the focus of the probe between the two junction surfaces.

Abstract: A friction stir welding apparatus includes a FSW tool that is held by a housing and welds to-be-welded members to each other by friction stir, and a gradual cooling device that gradually cools a weld site of the to-be-welded members welded by the FSW tool. The gradual cooling device is a contactless heat source that heats the weld site without coming into contact with the weld site. The contactless heat source is a high-frequency heat source.

Abstract: A system management apparatus includes a storing unit that stores structured identification information indicating physical and logical inclusion relations of configuration elements which configure a system by a tree structure, and correlation information indicating information on a correlation between the configuration elements, and a control unit that manages a range relating to a failure which is generated in the system, based on the structured identification information and the correlation information, in which the control unit designates a subset of the structured identification information as a predetermined management range in the structured identification information, and transmits failure information which is generated in the system to a terminal that displays the management range, in a case where the structured identification information indicating the failure information which is generated in the system corresponds to the subset of the structured identification information which is designated as a

Abstract: In an ultrasonic inspection performed on an inspection object including a fine and multi-layer structure such as a semiconductor wafer and a MEMS wafer, a defect is detected by: separating a defect present inside from a normal pattern; obtaining an image of the inspection object by imaging the inspection object having a pattern formed thereon to enable a highly sensitive detection; generating a reference image that does not include a defect from the obtained image of the inspection object; generating a multi-value mask for masking a non-defective pixel from the obtained image of the inspection object; calculating a defect accuracy by matching the brightness of the image of the inspection object and the reference image; and comparing the calculated defect accuracy with the generated multi-value mask.

Abstract: A preprocessor includes a sensor data storage part that is connected to an abnormality sign diagnosing device and stores multi-dimensional sensor data, a data analysis processing part that calculates a variable value by using the multi-dimensional sensor data stored in the sensor data storage part, an analysis data storage part that stores the variable value calculated by the data analysis processing part, and an analysis data addition processing part that combines the multi-dimensional sensor data stored at the sensor data storage part and the variable value stored in the analysis data storage part and outputs a combined result to the abnormality sign diagnosing device.

Abstract: In an ultrasonic inspection performed on an inspection object including a fine and multi-layer structure such as a semiconductor wafer and a MEMS wafer, a defect is detected by: separating a defect present inside from a normal pattern; obtaining an image of the inspection object by imaging the inspection object having a pattern formed thereon to enable a highly sensitive detection; generating a reference image that does not include a defect from the obtained image of the inspection object; generating a multi-value mask for masking a non-defective pixel from the obtained image of the inspection object; calculating a defect accuracy by matching the brightness of the image of the inspection object and the reference image; and comparing the calculated defect accuracy with the generated multi-value mask.

Abstract: A friction stir welding device includes: a control device which causes a pin part to be inserted into members to be joined while causing a joining tool to rotate and which causes a joining head to move along a joint line via a robot main body; and an image pickup device which detects a junction deviation that is a deviation between the joining head and a direction along the joint line. Also, when a junction deviation is generated, this control device causes the joining head to move in a direction toward the joint line and thus resolves the junction deviation.

Abstract: An object is to simultaneously visualize a plurality of junction surfaces of a workpiece. An ultrasound imaging device serving as solution means includes a signal processing unit that causes a probe to irradiate a workpiece with an ultrasound wave having a predetermined frequency, and that performs gate processing on a reflected wave of the ultrasound wave detected by the probe so as to output a displacement of the reflected wave on two junction surfaces of the workpiece, an image generation unit that generates respective images of the two junction surfaces, based on the displacement of the respective reflected waves on the two junction surfaces, and a height adjustment unit that adjusts a height of a focus of the probe. The height adjustment unit adjusts the height of the probe so as to set the focus of the probe between the two junction surfaces.

Abstract: The invention is applied to an ultrasound inspection apparatus including an array probe such that wetting is substantially limited to an inspection surface of the work. The ultrasound inspection apparatus includes: a work holder that holds a work with an inspection surface thereof facing downward; an array probe that probes the work with an ultrasonic wave; a water tank in which the array probe is immersed in water; an arm that holds the array probe such that the array probe faces an underside of the inspection surface of the work; X-axial direction scanning means that horizontally scans the work, with a liquid surface coming into contact with the inspection surface of the work due to surface tension of a liquid stored in the water tank; and Y-axial direction scanning means that horizontally scans the array probe.

Abstract: A preprocessor into which time-series sensor data is input includes a correspondence table associating sensor data with a physical unit. A physical extraction unit that obtains sensor data, and specifies a physical unit based on the correspondence table. A latent variable generation unit specifies a nonlinear function from the physical unit, and generates a latent variable for applying the sensor data to the specified nonlinear function. A latent variable addition unit obtains time-series sensor data and sets the data as a variable, applies the obtained time-series sensor data to the latent variable to generate time-series data and sets the data as a variable, and adds the generated time-series data to the obtained time-series sensor data to generate a data set of a plurality of variables. Then a relational expression estimation-processing unit that analyzes a relationship between the variables of the data set, and generates a linear relational expression.

Abstract: A magnetron includes an anode cylinder extending in a cylindrical shape along a central axis and a plurality of plate-like vanes at least each one end of which is fixed to the anode cylinder, extending from an inner face of the anode cylinder toward the central axis, in which the anode cylinder includes refrigerant flow paths for directly applying a refrigerant to the plate-like vanes. The refrigerant flow paths 111 are openings formed so that end surfaces (joint end faces of the plate-like vanes) of the plate-like vanes are exposed, which allow the refrigerant to directly contact the plate-like vanes.

Abstract: Provided are a magnetron whose resonance frequency is easily adjusted and a method of adjusting a resonance frequency of the magnetron. A magnetron includes an anode cylinder extending in a cylindrical shape along a central axis, a plurality of tabular vanes each having at least one end fixed to the anode cylinder and extending toward the central axis from an inner surface of the anode cylinder, and pressure-equalizing rings disposed coaxially with respect to the central axis of the anode cylinder, and alternately electrically connecting the tabular vanes to each other. The tabular vanes have protrusions facing the pressure-equalizing rings in an axial direction of the anode cylinder, and notches serving as base points for deforming the protrusions toward the pressure-equalizing rings sides or opposite sides thereto.

Abstract: An abnormality predictor diagnosis system includes: a sensor data acquisition that acquires sensor data; a learning identifies a detection value of a sensor when a predetermined time has passed since start of an operation process, identifies a value of a predetermined function when the predetermined time has passed since the start of the operation process using the predetermined function that outputs different values for respective times elapsed as time passes, and learns a normal model of the waveform based on the identified detection value and the value of the function; and a diagnosis means that, in a time-series waveform of sensor data as a diagnosis target, diagnoses the mechanical facility for presence of an abnormality predictor based on comparison of the detection value of the sensor and the value of the function when the predetermined time has passed since the start of the operation process, with the normal model.